bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 27, 2024
Abstract
Macromolecular
therapeutics
designed
for
intracellular
targets
must
overcome
systemic
delivery
barriers,
target
cell
membrane
impermeability,
and
inefficient
endosomal
escape.
Here,
we
engineer
a
class
of
conditional
fusogenic
liposomes
(C-FLIPs)
that
harness
the
catalytic
activity
extracellular
proteases
present
in
pathological
microenvironment.
This
context-specific
activation
enables
on-target
fusion
with
cells
diseased
tissue,
resulting
cytosolic
therapeutic
payloads.
We
describe
cytoplasmic
three
prototypic
macromolecular
classes:
peptide
degraders,
cytotoxic
proteins,
ribonucleoprotein
particles
(RNPs).
further
develop
C-FLIP
to
deliver
granzyme
B
(GzmB)
cytoplasm
cancer
vivo
induce
pyroptosis
immunologically-inert
tumors.
Treatment
C-FLIP/GzmB
reprograms
immunosuppressive
tumor
microenvironment
synergizes
checkpoint
blockade
result
regression
established
tumors
immunological
memory.
modular,
non-viral,
platform
represents
promising
approach
leverage
protease
targeted
biologics.
International Journal of Nanomedicine,
Journal Year:
2025,
Volume and Issue:
Volume 20, P. 705 - 721
Published: Jan. 1, 2025
The
metabolic
activity
of
tumor
cells
leads
to
the
acidification
surrounding
microenvironment,
which
provides
new
strategies
for
application
nanotechnology
in
cancer
therapy.Researchers
have
developed
various
types
pH-responsive
nanomaterials
based
on
acidic
microenvironment.This
review
an
in-depth
discussion
design
mechanisms,
drug-loading
strategies,
and
pathways
microenvironment-responsive
nanodrug
delivery
systems.These
materials
trigger
drug
release
upon
reaching
enhancing
therapeutic
targeting
reducing
toxicity
healthy
cells.pH-responsive
include
organic
nanomaterials,
inorganic
composite
nanomaterials.Additionally,
this
outlines
prospects,
challenges
aiming
promote
development
clinical
translation
field.
Journal of Personalized Medicine,
Journal Year:
2025,
Volume and Issue:
15(2), P. 50 - 50
Published: Jan. 27, 2025
Drug
resistance
remains
a
significant
barrier
to
effective
cancer
therapy.
Cancer
cells
evade
treatment
by
reprogramming
their
metabolism,
switching
from
glycolysis
oxidative
phosphorylation
(OXPHOS),
and
relying
on
alternative
carbon
sources
such
as
glutamine.
These
adaptations
not
only
enable
tumor
survival
but
also
contribute
immune
evasion
through
mechanisms
reactive
oxygen
species
(ROS)
generation
the
upregulation
of
checkpoint
molecules
like
PD-L1.
This
review
explores
potential
targeting
metabolic
weaknesses
in
drug-resistant
cancers
enhance
therapeutic
efficacy.
Key
pathways
involved
resistance,
including
glycolysis,
glutamine
kynurenine
pathway,
are
discussed.
The
combination
inhibitors
with
(ICIs),
particularly
anti-PD-1/PD-L1
therapies,
represents
promising
approach
overcoming
both
mechanisms.
Clinical
trials
combining
therapies
have
shown
early
promise,
further
research
is
needed
optimize
combinations
identify
biomarkers
for
patient
selection.
In
conclusion,
metabolism
blockade
offers
novel
drug
providing
pathway
improved
outcomes
Future
directions
include
personalized
treatments
based
profiles
expanding
other
types.
Cancer Cell International,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: March 5, 2025
Ovarian
cancer
(OC)
is
one
of
the
three
most
common
malignant
tumors
female
reproductive
system,
with
highest
mortality
rate
among
gynecologic
malignancies.
Like
other
tumors,
OC
cells
undergo
metabolic
reprogramming
phenomenon
and
convert
glucose
metabolism
into
"aerobic
glycolysis"
generate
a
high
concentration
lactate,
i.e.,
"Warburg
effect",
which
provides
large
amount
energy
corresponding
intermediary
metabolites
for
their
survival,
reproduction
metastasis.
Numerous
studies
have
shown
that
targeted
inhibition
aerobic
glycolysis
lactate
promising
strategy
to
enhance
sensitivity
immunotherapy.
Therefore,
this
review
summarizes
features
in
highlights
how
abnormal
affects
differentiation,
metabolism,
function
infiltrating
immune
cells,
contributes
immunosuppression,
may
be
potential
therapeutic
efficacy
OC.
Frontiers in Pharmacology,
Journal Year:
2024,
Volume and Issue:
15
Published: Feb. 1, 2024
Hepatocellular
carcinoma
(HCC)
is
one
of
the
most
prevalent
cancers
worldwide
and
accounts
for
more
than
90%
primary
liver
cancer.
The
advent
immune
checkpoint
inhibitor
(ICI)-related
therapies
combined
with
angiogenesis
inhibition
has
revolutionized
treatment
HCC
in
late-stage
unresectable
HCC,
as
ICIs
alone
were
disappointing
treating
HCC.
In
addition
to
altered
microenvironment,
abnormal
lipid
metabolism
been
extensively
characterized
various
types
Stains
are
known
their
cholesterol-lowering
properties
long
history
hypercholesterolemia
reducing
cardiovascular
disease
risk.
Apart
from
ICI
other
conventional
therapies,
statins
frequently
used
by
advanced
patients
dyslipidemia,
which
often
marked
accumulation
cholesterol
fatty
acids
liver.
Supported
a
body
preclinical
clinical
studies,
may
unexpectedly
enhance
efficacy
therapy
through
regulation
inflammatory
responses
microenvironment.
This
review
discusses
changes
summarizes
evidence
benefits
stain
use
prospects
possible
mechanistic
actions
transforming
microenvironment
when
immunotherapies.
Consequently,
statin
emerge
novel
valuable
adjuvant
immunotherapies
Journal of Molecular Pathology,
Journal Year:
2024,
Volume and Issue:
5(4), P. 437 - 453
Published: Oct. 5, 2024
The
extracellular
matrix
is
an
organized
three-dimensional
network
of
protein-based
molecules
and
other
macromolecules
that
provide
structural
biochemical
support
to
tissues.
Depending
on
its
properties,
the
influences
cell
adhesion
signal
transduction
and,
in
general,
can
influence
differentiation
proliferation
through
specific
mechanisms
chemical
mechanical
sensing.
development
body
tissues
during
ontogenesis
accompanied
by
changes
not
only
cells
but
also
composition
properties
matrix.
Similarly,
tumor
carcinogenesis
a
continuous
change
cells,
called
‘oncomatrix’,
as
matures,
from
primary
focus
stage
metastasis.
In
this
paper,
characteristics
are
considered,
well
evolution
patterns
be
used
biomarkers
oncological
diseases
potential
targets
for
promising
anti-tumor
therapies.
Frontiers in Immunology,
Journal Year:
2024,
Volume and Issue:
15
Published: Nov. 25, 2024
Lactic
acid,
a
key
metabolic
byproduct
within
the
tumor
microenvironment,
has
garnered
significant
attention
for
its
role
in
immune
evasion
mechanisms.
Tumor
cells
produce
and
release
large
amounts
of
lactic
acid
into
microenvironment
through
aberrant
glycolysis
via
Warburg
effect,
leading
to
drop
pH.
Elevated
levels
profoundly
suppress
proliferation
capacity,
cytotoxic
functions,
migratory
abilities
effector
such
as
macrophages
natural
killer
at
site.
Moreover,
can
modulate
expression
surface
molecules
on
cells,
interfering
with
their
recognition
attack
it
regulates
signaling
pathways
that
promote
expansion
enhanced
function
immunosuppressive
like
regulatory
T
thereby
fostering
tolerance
microenvironment.
Current
research
is
actively
exploring
strategies
targeting
metabolism
ameliorate
evasion.
Key
approaches
under
investigation
include
inhibiting
activity
critical
enzymes
production
reduce
synthesis
or
blocking
lactate
transporters
alter
intracellular
extracellular
distribution.
These
methods
hold
promise
when
combined
existing
immunotherapies
checkpoint
inhibitors
chimeric
antigen
receptor
T-cell
therapies
enhance
system's
ability
eliminate
cells.
This
could
pave
way
novel
combinatorial
treatment
clinical
cancer
therapy,
effectively
overcoming
phenomena,
ultimately
improving
overall
efficacy.
ACS Omega,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 23, 2025
Cancer-associated
fibroblasts
within
the
tumor
microenvironment
have
been
studied
extensively,
including
their
differential
roles
in
promoting
cancer
growth
and
metastasis,
an
immune
suppressive
microenvironment,
reshaping
stiffness
of
extracellular
matrix.
Fibroblasts
diverse
functions
owing
to
heterogeneous
phenotypes
shaped
by
microenvironment.
Increased
acidity
is
a
crucial
feature
contributing
generation
cancer-associated
fibroblasts.
Our
data
show
that
low
pH
drives
formation
vitro,
while
increasing
activates
self-remodeling
features
these
cells
limiting
proliferation
downregulating
production
matrix-associated
proteins.
findings
are
versatile
population
can
be
reprogramed
toward
quiescent
phenotype
with
reduced
regulation
could
potential
strategy
target
for
therapy.